Ear plug



FIG. 1 is a top-rear perspective view of an ear plug;

FIG. 2 is a front-bottom perspective view of the ear plug of FIG. 1;

FIG. 3 is a rear view of the ear plug of FIG. 1;

FIG. 4 is a left view of the ear plug of FIG. 1;

FIG. 5 is a right view of the ear plug of FIG. 1;

FIG. 6 is a top view of the ear plug of FIG. 1;

FIG. 7 is a bottom view of the ear plug of FIG. 1; and,

FIG. 8 is a front view of the ear plug of FIG. 1. 

CLAIM The ornamental design for an ear plug, as shown and described. 